DE2557856C3 - Abstimmschaltung für Hochfrequenzempfangsgeräte - Google Patents
Abstimmschaltung für HochfrequenzempfangsgeräteInfo
- Publication number
- DE2557856C3 DE2557856C3 DE2557856A DE2557856A DE2557856C3 DE 2557856 C3 DE2557856 C3 DE 2557856C3 DE 2557856 A DE2557856 A DE 2557856A DE 2557856 A DE2557856 A DE 2557856A DE 2557856 C3 DE2557856 C3 DE 2557856C3
- Authority
- DE
- Germany
- Prior art keywords
- memory
- transmitter
- tuning
- circuit according
- tuning circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000015654 memory Effects 0.000 claims description 153
- 239000011159 matrix material Substances 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims description 3
- 210000004027 cell Anatomy 0.000 description 19
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 210000000352 storage cell Anatomy 0.000 description 2
- CHCOFDZSJYMQMX-NOQNJSOHSA-N (2s)-2-[[(2s)-1-[(2s)-2-[[(2s,3s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-aminopropanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-3-methylbutanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-3-methylpentanoyl]amino]-3-(1h-imidazol-5-yl)propanoyl]py Chemical compound C([C@@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CC=1NC=NC=1)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CC=1C=CC=CC=1)C(O)=O)NC(=O)[C@@H](NC(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](C)N)C(C)C)C1=CC=C(O)C=C1 CHCOFDZSJYMQMX-NOQNJSOHSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Circuits Of Receivers In General (AREA)
- Superheterodyne Receivers (AREA)
- Time-Division Multiplex Systems (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2557856A DE2557856C3 (de) | 1975-12-22 | 1975-12-22 | Abstimmschaltung für Hochfrequenzempfangsgeräte |
| DK500876A DK500876A (da) | 1975-12-22 | 1976-11-05 | Afstemningskobling til hojfrekvensmodtagere |
| GB51854/76A GB1567052A (en) | 1975-12-22 | 1976-12-13 | Tuning circuits for communications receiving apparatus |
| US05/753,082 US4075567A (en) | 1975-12-22 | 1976-12-21 | Broadcast receiver tuning circuit with station memory |
| JP51154139A JPS5279713A (en) | 1975-12-22 | 1976-12-21 | Tuning circuit for high frequency receiver |
| FR7638740A FR2336827A2 (fr) | 1975-12-22 | 1976-12-22 | Montage d'accord pour recepteurs haute frequence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2557856A DE2557856C3 (de) | 1975-12-22 | 1975-12-22 | Abstimmschaltung für Hochfrequenzempfangsgeräte |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2557856A1 DE2557856A1 (de) | 1977-06-30 |
| DE2557856B2 DE2557856B2 (de) | 1980-03-20 |
| DE2557856C3 true DE2557856C3 (de) | 1980-11-13 |
Family
ID=5965200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2557856A Expired DE2557856C3 (de) | 1975-12-22 | 1975-12-22 | Abstimmschaltung für Hochfrequenzempfangsgeräte |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4075567A (fr) |
| JP (1) | JPS5279713A (fr) |
| DE (1) | DE2557856C3 (fr) |
| DK (1) | DK500876A (fr) |
| FR (1) | FR2336827A2 (fr) |
| GB (1) | GB1567052A (fr) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5350908A (en) * | 1976-10-20 | 1978-05-09 | Sanyo Electric Co Ltd | Broadcast receiving memory unit |
| DE2718472C2 (de) * | 1977-04-26 | 1986-05-15 | Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover | Abstimmschaltung für einen Hochfrequenz-Überlagerungsempfänger mit gleichspannungsgesteuerter Abstimmung |
| US4187464A (en) * | 1977-07-14 | 1980-02-05 | Hy-Gain De Puerto Rico, Inc. | Scanning receiver |
| US4156850A (en) * | 1977-08-29 | 1979-05-29 | Rca Corporation | Display system for facilitating the setup of a tuning system |
| CH620067A5 (fr) * | 1977-09-13 | 1980-10-31 | Bbc Brown Boveri & Cie | |
| DE2750071C2 (de) * | 1977-11-09 | 1989-06-29 | Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover | Sende- und Empfangssystem für ein Gebiet mit einer Vielzahl von empfangbaren Sendern |
| DE2758034A1 (de) * | 1977-12-24 | 1979-06-28 | Licentia Gmbh | Rundfunkempfaenger mit elektronischen sender-speichern |
| US4161708A (en) * | 1978-02-01 | 1979-07-17 | General Instrument Corporation | Electronic tuning system with digital band selection |
| JPS6021485B2 (ja) * | 1978-08-22 | 1985-05-28 | ソニー株式会社 | Ｐｌｌ周波数シンセサイザ受信機の記憶装置 |
| DE2843215A1 (de) * | 1978-10-04 | 1980-04-17 | Licentia Gmbh | Rundfunkempfaenger mit einer anzeigeeinrichtung zur anzeige der empfangbaren sendeanstalten |
| DE2843214C2 (de) * | 1978-10-04 | 1980-10-30 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Digitales Abstimmsystem für ein Rundfunk-Empfangsgerät |
| US4525866A (en) * | 1983-11-07 | 1985-06-25 | Zenith Electronics Corporation | Stack memory tuning |
| US4661995A (en) * | 1985-02-21 | 1987-04-28 | Anritsu Electric Co., Limited | Multi-superheterodyne receiver |
| US5182646A (en) * | 1990-09-24 | 1993-01-26 | Thomson Consumer Electronics, Inc. | Linkable scan lists for a television receiver |
| US5161023A (en) * | 1990-09-24 | 1992-11-03 | Thomson Consumer Electronics, Inc. | Previous channel feature in a television receiver having multiple rf inputs |
| US5103314A (en) * | 1990-09-24 | 1992-04-07 | Thomson Consumer Electronics, Inc. | Color-coded system for selection of rf input terminals and associated scan lists |
| US6674993B1 (en) * | 1999-04-30 | 2004-01-06 | Microvision, Inc. | Method and system for identifying data locations associated with real world observations |
| US7565541B1 (en) | 2000-06-21 | 2009-07-21 | Microvision, Inc. | Digital fingerprint identification system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7414564A (nl) * | 1973-11-16 | 1975-05-21 | Int Standard Electric Corp | Radio- of televisieontvanger met een zender- zoekinrichting. |
| NL7414565A (nl) * | 1973-11-16 | 1975-05-21 | Int Standard Electric Corp | Radio- of televisieontvanger. |
| US3961266A (en) * | 1974-01-03 | 1976-06-01 | Zenith Radio Corporation | Channel seeking tuning system |
| DE2437974C3 (de) * | 1974-08-07 | 1979-04-26 | Texas Instruments Deutschland Gmbh, 8050 Freising | Kanalsuch- und Kanalwählanordnung |
-
1975
- 1975-12-22 DE DE2557856A patent/DE2557856C3/de not_active Expired
-
1976
- 1976-11-05 DK DK500876A patent/DK500876A/da unknown
- 1976-12-13 GB GB51854/76A patent/GB1567052A/en not_active Expired
- 1976-12-21 JP JP51154139A patent/JPS5279713A/ja active Pending
- 1976-12-21 US US05/753,082 patent/US4075567A/en not_active Expired - Lifetime
- 1976-12-22 FR FR7638740A patent/FR2336827A2/fr active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US4075567A (en) | 1978-02-21 |
| JPS5279713A (en) | 1977-07-05 |
| GB1567052A (en) | 1980-05-08 |
| DK500876A (da) | 1977-06-23 |
| DE2557856B2 (de) | 1980-03-20 |
| FR2336827A2 (fr) | 1977-07-22 |
| DE2557856A1 (de) | 1977-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| BF | Willingness to grant licences | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: TELEFUNKEN FERNSEH UND RUNDFUNK GMBH, 3000 HANNOVE |